Fluorinated amphoteric and cationic surfactants
Patent 4069244 Issued on January 17, 1978. Estimated Expiration Date: 
January 17, 1995. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
January 17, 1995. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3471518 3839425 InventorAssigneeApplicationNo. 05/538432 filed on 01/03/1975US Classes:562/556, Sulfur or selenium252/2, FIRE-EXTINGUISHING510/489, Sulfur attached indirectly to the carboxyl group by nonionic bonding, or salt thereof516/203, The agent contains organic compound containing nitrogen, except if present soley as NH4+516/43, The agent contains organic compound containing nitrogen, except if present solely as NH4+516/67, The agent contains organic compound containing nitrogen, except if present solely as NH4+516/68, The nitrogen is a ring member (e.g., polyisocyanurate)544/161, Double bonded divalent sulfur544/337, Phosphorus attached directly or indirectly to the diazine ring by nonionic bonding546/171, Nitrogen, other than as nitro or nitroso, attached directly to the carbocyclic ring of the quinoline ring system by nonionic bonding546/174, Having -C(=X)-, wherein X is chalcogen, attached indirectly to the quinoline ring system by nonionic bonding546/175, Nitrogen bonded directly to the -C(=X)- group546/208, Ring nitrogen in the additional hetero ring546/242, Chalcogen bonded directly to ring carbon of the piperidine ring546/244, Nitrogen attached directly to the piperidine ring by nonionic bonding546/278.7, Plural chalcogens attached directly to the five-membered hetero ring by nonionic bonding546/301, Chalcogen attached indirectly to the six-membered hetero ring by nonionic bonding546/309, Acyclic nitrogen bonded directly to a -C(=X)- group, wherein X is chalcogen546/335, The chalcogen, X, is part of a -C(=X)X- group, wherein the X's are the same or diverse chalcogens548/314.7, The additional hetero ring contains nitrogen as the only ring hetero atom [e.g., N-(cyclopentylcarbonyl-L-histidyl)-pyrrolidine, etc.]548/338.5, The chalcogen is sulfur or sulfur attached indirectly to the -C(=X)- group by acyclic nonionic bonding548/340.1, Chalcogen attached indirectly to the nitrogen by acyclic nonionic bonding548/341.5, The chalcogen, X, is in a -C(=X)- group548/364.1, Additional hetero ring attached directly or indirectly to the diazole ring by nonionic bonding548/375.1, Nitrogen attached indirectly to the diazole ring by acyclic nonionic bonding548/376.1, Chalcogen attached indirectly to the diazole ring by acyclic nonionic bonding548/519, Ring carbon of each of the two nitrogen containing hetero rings is bonded directly to chalcogen (e.g., both rings may be bonded to the same oxygen atom or to different oxygen atoms, etc.)548/524, The atom is carbon or the chain consists of carbons548/544, And chalcogen bonded directly to a ring carbon of the five membered hetero ring which is not adjacent to the ring nitrogen (e.g., 2,4 pyrrolidinediones, etc.)548/557, Nitrogen attached directly to the five-membered hetero ring by nonionic bonding548/568, Hydrogen or acyclic carbon bonded directly to the -C(=X)- (e.g., 2 pyrrolidine acrylamide, etc.)548/573, The -C(=X)X- group is in a substituent attached to the ring nitrogen of the five-membered hetero ring (e.g., beta-pyrrolidyl ethyl ester of benzoic acid, etc.)562/561Plural nitrogensExaminersPrimary: Chan, NickyAttorney, Agent or FirmAbstractThe invention is directed to fluorinated compounds of the formula ##STR1## wherein Rf is a perfluoroalkyl or perfluoroalkoxy-perfluoroalkyl group, R1 is a branched or straight chain alkylene, alkylenethioalkylene, alkyleneoxyalkylene or alkyleneiminoalkylene group, X is oxygen or an amino group, Q is an organic group containing at least one amino group and y is zero or 1, and the corresponding succinimides. These compounds are useful as surfactants. |
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